The lie I was told: "it has more electrons than it can stably accommodate, so it will give some up to anything around that can accommodate more°". What's the n

The lie I was told: "it has more electrons than it can stably accommodate, so it will give some up to anything around that can accommodate more°". What's the next level where that breaks down? °Though the Benjamin-Franklin-reversed-the-signs thing I learned about for the first time up-thread has me thoroughly confused. Positive charge means it... Has fewer?